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No Output device is installed, audio not working

no audio output device installedThis is my wife's sony vaio, and she has had this problem with no sound on her laptop, when checking the volume control it says no audio output device installed. In device manager it says that she has Intel display audio. I need major help here please.

Sound & Audio

No audio output device installedI bought a generic computer which i was told has intel motherboard. It had windows vista installed and it used to display a message that No audio output device is installed . I recently installed windows 7 home premium 32 bit on it but it still says the same thing. I went to properties of it and...

Sound & Audio

Audio stops working, "No Audio Output Device Installed"I'm running a Dell XPS 420, which came with Windows Vista. I decided this morning that I was going to give Windows 7 a try, backed up some media on another PC, and did a completely fresh install.
Everything worked perfectly, I didn't even have to install any drivers. My native resolution was...

Sound & Audio

no audio output device is installedHello
I have a sony laptop pcg-6122m about one year old, operating system windows 7. The sound has suddenly stopped working and i cant seem to fix it. I am not particularly tech savy and have tried a few things from messages on the forum from b4 but none have worked so far !
Error message...

Sound & Audio

Realtek Audio: No Audio Output Device is InstalledHello.
Im having the dreadful "No Audio Output Device is Installed" problem on my realtek audio.
It worked some months ago, but im in no position to do a roll back. Im sure the hardware is just fine, it works with Ubuntu.
The computer is a Dell Vostro 430.
My OS is win7 64bit.
I tried...